docs: update changelog

Author: manankarnik

CHANGELOG.md

@@ -1,5 +1,7 @@
 # Changelog
 
+### [v0.3.1](https://github.com/manankarnik/bevy_generative/compare/v0.3.0...v0.3.1) (2024-08-23)
+
 ## [v0.3.0](https://github.com/manankarnik/bevy_generative/compare/v0.2.0...v0.3.0) (2024-08-23)
 
 ## [v0.2.0](https://github.com/manankarnik/bevy_generative/compare/v0.1.0...v0.2.0) (2024-03-08)